/*
 * The MIT License
 * 
 * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package hudson.model;

import hudson.BulkChange;
import hudson.model.listeners.SaveableListener;
import java.io.IOException;

/**
 * Object whose state is persisted to XML.
 *
 * @author Kohsuke Kawaguchi
 * @see BulkChange
 * @since 1.249
 */
public interface Saveable {
    /**
     * Persists the state of this object into XML.
     *
     * <p>
     * For making a bulk change efficiently, see {@link BulkChange}.
     *
     * <p>
     * To support listeners monitoring changes to this object, call {@link SaveableListener#fireOnChange}
     * @throws IOException
     *      if the persistence failed.
     */
    void save() throws IOException;

    /**
     * {@link Saveable} that doesn't save anything.
     * @since 1.301.
     */
    Saveable NOOP = new Saveable() {
        public void save() throws IOException {
        }
    };
}
